02-14-2005
Standard C defines a predefined identifier __func__ which stores the name of the function as static const char currently being executed.
int function1(char * name )
{
// do something
printf ( "In f1 - Called by[%s]\n" , name ) ;
return 0 ;
}
char function2(char * name )
{
// do something
printf ( "In f2 - Called by [%s]\n" , name ) ;
function1((char *)__func__) ; // is function2 knows function2 is calling me?
return '' ;
}
int main()
{
function1((char *)__func__) ; // is function1 knows I called by main?
function2((char *)__func__) ;
return 0 ;
}
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LEARN ABOUT DEBIAN
xerbla_array.f
xerbla_array.f(3) LAPACK xerbla_array.f(3)
NAME
xerbla_array.f -
SYNOPSIS
Functions/Subroutines
subroutine xerbla_array (SRNAME_ARRAY, SRNAME_LEN, INFO)
XERBLA_ARRAY
Function/Subroutine Documentation
subroutine xerbla_array (character(1), dimension(srname_len)SRNAME_ARRAY, integerSRNAME_LEN, integerINFO)
XERBLA_ARRAY
Purpose:
XERBLA_ARRAY assists other languages in calling XERBLA, the LAPACK
and BLAS error handler. Rather than taking a Fortran string argument
as the function's name, XERBLA_ARRAY takes an array of single
characters along with the array's length. XERBLA_ARRAY then copies
up to 32 characters of that array into a Fortran string and passes
that to XERBLA. If called with a non-positive SRNAME_LEN,
XERBLA_ARRAY will call XERBLA with a string of all blank characters.
Say some macro or other device makes XERBLA_ARRAY available to C99
by a name lapack_xerbla and with a common Fortran calling convention.
Then a C99 program could invoke XERBLA via:
{
int flen = strlen(__func__);
lapack_xerbla(__func__, &flen, &info);
}
Providing XERBLA_ARRAY is not necessary for intercepting LAPACK
errors. XERBLA_ARRAY calls XERBLA.
Parameters:
SRNAME_ARRAY
SRNAME_ARRAY is CHARACTER(1) array, dimension (SRNAME_LEN)
The name of the routine which called XERBLA_ARRAY.
SRNAME_LEN
SRNAME_LEN is INTEGER
The length of the name in SRNAME_ARRAY.
INFO
INFO is INTEGER
The position of the invalid parameter in the parameter list
of the calling routine.
Author:
Univ. of Tennessee
Univ. of California Berkeley
Univ. of Colorado Denver
NAG Ltd.
Date:
November 2011
Definition at line 91 of file xerbla_array.f.
Author
Generated automatically by Doxygen for LAPACK from the source code.
Version 3.4.1 Sun May 26 2013 xerbla_array.f(3)